Clinical trial Recruiting at 15 sites Observational

Observing the safety of VYLOY in patients with gastric or GEJ cancer in South Korea

Official title: Post-marketing Observational Study of VYLOY (Zolbetuximab) Injection 100 mg, 300 mg for Locally Advanced Unresectable or Metastatic Gastric or Gastroesophageal Junction (GEJ) Adenocarcinoma in South Korea

Run by Astellas Pharma Inc · NCT06902545 · Data updated 2026-11-12

This study is testing how safe the drug VYLOY is for people in South Korea with advanced stomach or gastroesophageal junction cancer who are receiving it as part of their regular treatment.

More Metastatic Gastric Cancer trials

Quick facts

Study typeObservational
SexAll
Enrollment377 (estimated)
SponsorAstellas Pharma Inc
Industry-sponsored
Locations15 sites (Goyang-si, Gyeonggi-do and 14 other locations)
StatusRecruiting
StartedApril 3, 2025
Main results expectedJuly 31, 2030
Study endsJuly 31, 2030
Registry record updatedOctober 22, 2026
Trial IDNCT06902545 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates for this study are patients in South Korea with locally advanced unresectable or metastatic gastric or GEJ adenocarcinoma who are receiving VYLOY treatment.

Probably not a fit

Patients who have contraindications for VYLOY or are involved in other clinical trials with investigational drugs may not benefit from this study.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This observational study focuses on individuals in South Korea diagnosed with locally advanced unresectable or metastatic gastric or gastroesophageal junction (GEJ) cancer. Participants will receive VYLOY (zolbetuximab) as part of their standard treatment regimen, which is administered intravenously. The primary goal is to gather real-world data on the safety profile of VYLOY in this patient population, as well as to monitor the progression of their cancer over time.

Why it matters

Potential benefit: If successful, this study could provide valuable insights into the safety and effectiveness of VYLOY for patients with gastric and GEJ cancers.

How similar studies have gone: Other studies have shown positive outcomes with similar treatments for gastric cancer, indicating that this approach is promising.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Patients who receive treatment with VYLOY injection, according to the approved local label.

Exclusion Criteria:

* Patients with any contraindication for VYLOY injection, according to the approved local label.
* Patients who are registered or scheduled to be registered in any clinical trials involving investigational drug administration.

Where it's running

  • Site KR82010
    Goyang-si, Gyeonggi-do, South Korea
    Recruiting
  • Site KR82008
    Suwon, Gyeonggi-do, South Korea
    Recruiting
  • Site KR82009
    Suwon, Gyeonggi-do, South Korea
    Recruiting
  • Site KR82014
    Uijeongbu-si, Gyeonggi-do, South Korea
    Recruiting
  • Site KR82006
    Yangsan, Gyeongsangnam-do, South Korea
    Recruiting
  • Site KR82012
    Hwasun Gun, Jeollanam-do, South Korea
    Recruiting
Show 9 more locations
  • Site KR82015
    Daejeon, South Korea
    Recruiting
  • Site KR82001
    Seoul, South Korea
    Recruiting
  • Site KR82002
    Seoul, South Korea
    Recruiting
  • Site KR82003
    Seoul, South Korea
    Recruiting
  • Site KR82004
    Seoul, South Korea
    Recruiting
  • Site KR82005
    Seoul, South Korea
    Recruiting
  • Site KR82007
    Seoul, South Korea
    Recruiting
  • Site KR82011
    Seoul, South Korea
    Recruiting
  • Site KR82013
    Seoul, South Korea
    Recruiting

Study contacts

Similar studies

Other studies for the same condition or treatment. Recruiting studies are listed first.

How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.